Belted Kingfishers are in Pennsylvania all year, but most are here in fall: numbers build from mid July, peak in late September (14% of checklists), and fall back by the second week of December. In the quietest week (the second week of June) they are still on about 4.2% of checklists.
When to look
Numbers buildJul 15-21mid July
PeakSep 22-30late September
Fall back byDec 8-14the second week of December
FewestJun 8-14the second week of June
Best: late September. Here all year; numbers build from mid July and fall back by the second week of December. Peak: on about 14% of Pennsylvania checklists.
Jancommon
Febcommon
Marcommon
Aprpeak season
Maycommon
Jununcommon
Julcommon
Augpeak season
Seppeak season
Octpeak season
Novpeak season
Decpeak season
Darker months: more checklists report it. Outlined: peak month.
Share of complete checklists reporting it, by week (4 per month). Grey bars: fewer than 10 checklists, not counted.
Frequency is the share of complete checklists in Pennsylvania that listed the bird, 2016–2025. It is not a head count, and it follows where and when people go birding. How to read it.
JanFebMarAprMayJunJulAugSepOctNovDec
today
0%few checklistsno data
Each county is shaded by the share of complete checklists there that listed the bird, blended with the weeks either side. Darker is more often. It follows where people watch birds, not how many birds there are. How to read it.
Crum Creek ReservoirDelaware County, best late August · 24 checklists that week, 1,947 in all80%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Pennsylvania, the Belted Kingfisher is most often listed on checklists started between 6 and 8 am (10% of those checklists).
Share of checklists started in each local hour that reported it. It reflects when people go birding as well as when birds are active. Grey hours have too few checklists (under 2% of the state’s, or under 200) to judge.Week-by-week table
Month
Days 1-7
8-14
15-21
22-end
January
8.5%
7.2%
5.9%
5.9%
February
5.7%
5.2%
4.2%
6.9%
March
6.6%
6.6%
7.4%
9.2%
April
11%
11%
10%
8.6%
May
6.3%
5.2%
4.7%
4.4%
June
4.2%
4.1%
4.4%
5.0%
July
6.1%
7.8%
9.1%
10%
August
12%
13%
13%
13%
September
14%
14%
13%
14%
October
14%
13%
12%
13%
November
13%
12%
12%
12%
December
11%
9.6%
8.1%
8.6%
Neighboring states
Maryland: arrives the second week of August, 3 weeks later than Pennsylvania
Delaware: arrives the second week of July, 1 week earlier than Pennsylvania
New Jersey: arrives late August, 5 weeks later than Pennsylvania
Common questions
When do Belted Kingfishers arrive in Pennsylvania?
Belted Kingfishers are in Pennsylvania all year, but most are here in fall: numbers build from mid July, peak in late September (14% of checklists), and fall back by the second week of December. In the quietest week (the second week of June) they are still on about 4.2% of checklists.
When do Belted Kingfishers leave Pennsylvania?
Belted Kingfishers never fully leave Pennsylvania: numbers fall back below half their usual rate by the second week of December, but some are still reported in every week, about 4.2% of checklists at the low.
When is the best time to see a Belted Kingfisher in Pennsylvania?
The Belted Kingfisher is reported most often in late September, on about 14% of Pennsylvania checklists.
Where in Pennsylvania are Belted Kingfishers seen most often?
By county, Snyder County, Bucks County, and Montour County have the highest peak reporting rates for the Belted Kingfisher (counties with at least 200 checklists).